| 1 | /* $Id: UsbTestServiceInternal.h 98103 2023-01-17 14:15:46Z vboxsync $ */
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| 2 | /** @file
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| 3 | * UsbTestServ - Remote USB test configuration and execution server, Internal Header.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2016-2023 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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| 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 | #ifndef VBOX_INCLUDED_SRC_usb_UsbTestServiceInternal_h
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| 38 | #define VBOX_INCLUDED_SRC_usb_UsbTestServiceInternal_h
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| 39 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 40 | # pragma once
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| 41 | #endif
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| 42 |
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| 43 | #include <iprt/getopt.h>
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| 44 | #include <iprt/stream.h>
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| 45 |
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| 46 | #include "UsbTestServiceProtocol.h"
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| 47 |
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| 48 | RT_C_DECLS_BEGIN
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| 49 |
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| 50 | /** Opaque UTS transport layer specific client data. */
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| 51 | typedef struct UTSTRANSPORTCLIENT *PUTSTRANSPORTCLIENT;
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| 52 | typedef PUTSTRANSPORTCLIENT *PPUTSTRANSPORTCLIENT;
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| 53 |
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| 54 | /**
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| 55 | * Transport layer descriptor.
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| 56 | */
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| 57 | typedef struct UTSTRANSPORT
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| 58 | {
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| 59 | /** The name. */
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| 60 | char szName[16];
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| 61 | /** The description. */
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| 62 | const char *pszDesc;
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| 63 | /** Pointer to an array of options. */
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| 64 | PCRTGETOPTDEF paOpts;
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| 65 | /** The number of options in the array. */
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| 66 | size_t cOpts;
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| 67 |
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| 68 | /**
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| 69 | * Print the usage information for this transport layer.
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| 70 | *
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| 71 | * @param pStream The stream to print the usage info to.
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| 72 | *
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| 73 | * @remarks This is only required if TXSTRANSPORT::cOpts is greater than 0.
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| 74 | */
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| 75 | DECLR3CALLBACKMEMBER(void, pfnUsage, (PRTSTREAM pStream));
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| 76 |
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| 77 | /**
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| 78 | * Handle an option.
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| 79 | *
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| 80 | * When encountering an options that is not part of the base options, we'll call
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| 81 | * this method for each transport layer until one handles it.
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| 82 | *
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| 83 | * @retval VINF_SUCCESS if handled.
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| 84 | * @retval VERR_TRY_AGAIN if not handled.
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| 85 | * @retval VERR_INVALID_PARAMETER if we should exit with a non-zero status.
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| 86 | *
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| 87 | * @param ch The short option value.
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| 88 | * @param pVal Pointer to the value union.
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| 89 | *
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| 90 | * @remarks This is only required if TXSTRANSPORT::cOpts is greater than 0.
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| 91 | */
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| 92 | DECLR3CALLBACKMEMBER(int, pfnOption, (int ch, PCRTGETOPTUNION pVal));
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| 93 |
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| 94 | /**
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| 95 | * Initializes the transport layer.
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| 96 | *
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| 97 | * @returns IPRT status code. On errors, the transport layer shall call
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| 98 | * RTMsgError to display the error details to the user.
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| 99 | */
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| 100 | DECLR3CALLBACKMEMBER(int, pfnInit, (void));
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| 101 |
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| 102 | /**
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| 103 | * Terminate the transport layer, closing and freeing resources.
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| 104 | *
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| 105 | * On errors, the transport layer shall call RTMsgError to display the error
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| 106 | * details to the user.
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| 107 | */
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| 108 | DECLR3CALLBACKMEMBER(void, pfnTerm, (void));
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| 109 |
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| 110 | /**
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| 111 | * Waits for a new client to connect and returns the client specific data on
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| 112 | * success.
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| 113 | */
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| 114 | DECLR3CALLBACKMEMBER(int, pfnWaitForConnect, (PPUTSTRANSPORTCLIENT ppClientNew));
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| 115 |
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| 116 | /**
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| 117 | * Polls for incoming packets.
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| 118 | *
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| 119 | * @returns true if there are pending packets, false if there isn't.
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| 120 | * @param pClient The client to poll for data.
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| 121 | */
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| 122 | DECLR3CALLBACKMEMBER(bool, pfnPollIn, (PUTSTRANSPORTCLIENT pClient));
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| 123 |
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| 124 | /**
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| 125 | * Adds any pollable handles to the poll set.
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| 126 | *
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| 127 | * @returns IPRT status code.
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| 128 | * @param hPollSet The poll set to add them to.
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| 129 | * @param pClient The transport client structure.
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| 130 | * @param idStart The handle ID to start at.
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| 131 | */
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| 132 | DECLR3CALLBACKMEMBER(int, pfnPollSetAdd, (RTPOLLSET hPollSet, PUTSTRANSPORTCLIENT pClient, uint32_t idStart));
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| 133 |
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| 134 | /**
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| 135 | * Removes the given client frmo the given pollset.
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| 136 | *
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| 137 | * @returns IPRT status code.
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| 138 | * @param hPollSet The poll set to remove from.
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| 139 | * @param pClient The transport client structure.
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| 140 | * @param idStart The handle ID to remove.
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| 141 | */
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| 142 | DECLR3CALLBACKMEMBER(int, pfnPollSetRemove, (RTPOLLSET hPollSet, PUTSTRANSPORTCLIENT pClient, uint32_t idStart));
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| 143 |
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| 144 | /**
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| 145 | * Receives an incoming packet.
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| 146 | *
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| 147 | * This will block until the data becomes available or we're interrupted by a
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| 148 | * signal or something.
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| 149 | *
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| 150 | * @returns IPRT status code. On error conditions other than VERR_INTERRUPTED,
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| 151 | * the current operation will be aborted when applicable. When
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| 152 | * interrupted, the transport layer will store the data until the next
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| 153 | * receive call.
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| 154 | *
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| 155 | * @param pClient The transport client structure.
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| 156 | * @param ppPktHdr Where to return the pointer to the packet we've
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| 157 | * read. This is allocated from the heap using
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| 158 | * RTMemAlloc (w/ UTSPKT_ALIGNMENT) and must be
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| 159 | * free by calling RTMemFree.
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| 160 | */
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| 161 | DECLR3CALLBACKMEMBER(int, pfnRecvPkt, (PUTSTRANSPORTCLIENT pClient, PPUTSPKTHDR ppPktHdr));
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| 162 |
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| 163 | /**
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| 164 | * Sends an outgoing packet.
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| 165 | *
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| 166 | * This will block until the data has been written.
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| 167 | *
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| 168 | * @returns IPRT status code.
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| 169 | * @retval VERR_INTERRUPTED if interrupted before anything was sent.
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| 170 | *
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| 171 | * @param pClient The transport client structure.
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| 172 | * @param pPktHdr The packet to send. The size is given by
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| 173 | * aligning the size in the header by
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| 174 | * UTSPKT_ALIGNMENT.
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| 175 | */
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| 176 | DECLR3CALLBACKMEMBER(int, pfnSendPkt, (PUTSTRANSPORTCLIENT pClient, PCUTSPKTHDR pPktHdr));
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| 177 |
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| 178 | /**
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| 179 | * Sends a babble packet and disconnects the client (if applicable).
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| 180 | *
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| 181 | * @param pClient The transport client structure.
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| 182 | * @param pPktHdr The packet to send. The size is given by
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| 183 | * aligning the size in the header by
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| 184 | * UTSPKT_ALIGNMENT.
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| 185 | * @param cMsSendTimeout The send timeout measured in milliseconds.
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| 186 | */
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| 187 | DECLR3CALLBACKMEMBER(void, pfnBabble, (PUTSTRANSPORTCLIENT pClient, PCUTSPKTHDR pPktHdr, RTMSINTERVAL cMsSendTimeout));
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| 188 |
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| 189 | /**
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| 190 | * Notification about a client HOWDY.
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| 191 | *
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| 192 | * @param pClient The transport client structure.
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| 193 | */
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| 194 | DECLR3CALLBACKMEMBER(void, pfnNotifyHowdy, (PUTSTRANSPORTCLIENT pClient));
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| 195 |
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| 196 | /**
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| 197 | * Notification about a client BYE.
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| 198 | *
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| 199 | * For connection oriented transport layers, it would be good to disconnect the
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| 200 | * client at this point.
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| 201 | *
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| 202 | * @param pClient The transport client structure.
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| 203 | */
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| 204 | DECLR3CALLBACKMEMBER(void, pfnNotifyBye, (PUTSTRANSPORTCLIENT pClient));
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| 205 |
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| 206 | /**
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| 207 | * Notification about a REBOOT or SHUTDOWN.
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| 208 | *
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| 209 | * For connection oriented transport layers, stop listening for and
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| 210 | * accepting at this point.
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| 211 | */
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| 212 | DECLR3CALLBACKMEMBER(void, pfnNotifyReboot, (void));
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| 213 |
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| 214 | /** Non-zero end marker. */
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| 215 | uint32_t u32EndMarker;
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| 216 | } UTSTRANSPORT;
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| 217 | /** Pointer to a const transport layer descriptor. */
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| 218 | typedef const struct UTSTRANSPORT *PCUTSTRANSPORT;
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| 219 |
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| 220 |
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| 221 | extern UTSTRANSPORT const g_TcpTransport;
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| 222 |
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| 223 | RT_C_DECLS_END
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| 224 |
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| 225 | #endif /* !VBOX_INCLUDED_SRC_usb_UsbTestServiceInternal_h */
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| 226 |
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